

 /*
 This file 'moment' is part of Firebird Integrated Solution 1.0

 Copyright (c) 2015 Lincong

 Contact:  
        Email: lincong1987@gmail.com

        QQ: 159257119
 
 See Usage at http://www.jplatformx.com/firebird

 Create date: 2015-04-02 15:12
 */




 //! moment.js
 //! version : 2.9.0
 //! authors : Tim Wood, Iskren Chernev, Moment.js contributors
 //! license : MIT
 //! momentjs.com
 (function(undefined) {
     /************************************
      Constants
      ************************************/

     var moment,
         VERSION = '2.9.0',
         // the global-scope this is NOT the global object in Node.js
         globalScope = (typeof global !== 'undefined' && (typeof window === 'undefined' || window === global.window)) ? global : this,
         oldGlobalMoment,
         round = Math.round,
         hasOwnProperty = Object.prototype.hasOwnProperty,
         i,

         YEAR = 0,
         MONTH = 1,
         DATE = 2,
         HOUR = 3,
         MINUTE = 4,
         SECOND = 5,
         MILLISECOND = 6,

         // internal storage for locale config files
         locales = {},

         // extra moment internal properties (plugins register props here)
         momentProperties = [],

         // check for nodeJS
         hasModule = (typeof module !== 'undefined' && module && module.exports),

         // ASP.NET json date format regex
         aspNetJsonRegex = /^\/?Date\((\-?\d+)/i,
         aspNetTimeSpanJsonRegex = /(\-)?(?:(\d*)\.)?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?)?/,

         // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
         // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
         isoDurationRegex = /^(-)?P(?:(?:([0-9,.]*)Y)?(?:([0-9,.]*)M)?(?:([0-9,.]*)D)?(?:T(?:([0-9,.]*)H)?(?:([0-9,.]*)M)?(?:([0-9,.]*)S)?)?|([0-9,.]*)W)$/,

         // format tokens
         formattingTokens = /(\[[^\[]*\])|(\\)?(Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Q|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|mm?|ss?|S{1,4}|x|X|zz?|ZZ?|.)/g,
         localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g,

         // parsing token regexes
         parseTokenOneOrTwoDigits = /\d\d?/, // 0 - 99
         parseTokenOneToThreeDigits = /\d{1,3}/, // 0 - 999
         parseTokenOneToFourDigits = /\d{1,4}/, // 0 - 9999
         parseTokenOneToSixDigits = /[+\-]?\d{1,6}/, // -999,999 - 999,999
         parseTokenDigits = /\d+/, // nonzero number of digits
         parseTokenWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i, // any word (or two) characters or numbers including two/three word month in arabic.
         parseTokenTimezone = /Z|[\+\-]\d\d:?\d\d/gi, // +00:00 -00:00 +0000 -0000 or Z
         parseTokenT = /T/i, // T (ISO separator)
         parseTokenOffsetMs = /[\+\-]?\d+/, // 1234567890123
         parseTokenTimestampMs = /[\+\-]?\d+(\.\d{1,3})?/, // 123456789 123456789.123

         //strict parsing regexes
         parseTokenOneDigit = /\d/, // 0 - 9
         parseTokenTwoDigits = /\d\d/, // 00 - 99
         parseTokenThreeDigits = /\d{3}/, // 000 - 999
         parseTokenFourDigits = /\d{4}/, // 0000 - 9999
         parseTokenSixDigits = /[+-]?\d{6}/, // -999,999 - 999,999
         parseTokenSignedNumber = /[+-]?\d+/, // -inf - inf

         // iso 8601 regex
         // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
         isoRegex = /^\s*(?:[+-]\d{6}|\d{4})-(?:(\d\d-\d\d)|(W\d\d$)|(W\d\d-\d)|(\d\d\d))((T| )(\d\d(:\d\d(:\d\d(\.\d+)?)?)?)?([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/,

         isoFormat = 'YYYY-MM-DDTHH:mm:ssZ',

         isoDates = [
             ['YYYYYY-MM-DD', /[+-]\d{6}-\d{2}-\d{2}/],
             ['YYYY-MM-DD', /\d{4}-\d{2}-\d{2}/],
             ['GGGG-[W]WW-E', /\d{4}-W\d{2}-\d/],
             ['GGGG-[W]WW', /\d{4}-W\d{2}/],
             ['YYYY-DDD', /\d{4}-\d{3}/]
         ],

         // iso time formats and regexes
         isoTimes = [
             ['HH:mm:ss.SSSS', /(T| )\d\d:\d\d:\d\d\.\d+/],
             ['HH:mm:ss', /(T| )\d\d:\d\d:\d\d/],
             ['HH:mm', /(T| )\d\d:\d\d/],
             ['HH', /(T| )\d\d/]
         ],

         // timezone chunker '+10:00' > ['10', '00'] or '-1530' > ['-', '15', '30']
         parseTimezoneChunker = /([\+\-]|\d\d)/gi,

         // getter and setter names
         proxyGettersAndSetters = 'Date|Hours|Minutes|Seconds|Milliseconds'.split('|'),
         unitMillisecondFactors = {
             'Milliseconds': 1,
             'Seconds': 1e3,
             'Minutes': 6e4,
             'Hours': 36e5,
             'Days': 864e5,
             'Months': 2592e6,
             'Years': 31536e6
         },

         unitAliases = {
             ms: 'millisecond',
             s: 'second',
             m: 'minute',
             h: 'hour',
             d: 'day',
             D: 'date',
             w: 'week',
             W: 'isoWeek',
             M: 'month',
             Q: 'quarter',
             y: 'year',
             DDD: 'dayOfYear',
             e: 'weekday',
             E: 'isoWeekday',
             gg: 'weekYear',
             GG: 'isoWeekYear'
         },

         camelFunctions = {
             dayofyear: 'dayOfYear',
             isoweekday: 'isoWeekday',
             isoweek: 'isoWeek',
             weekyear: 'weekYear',
             isoweekyear: 'isoWeekYear'
         },

         // format function strings
         formatFunctions = {},

         // default relative time thresholds
         relativeTimeThresholds = {
             s: 45, // seconds to minute
             m: 45, // minutes to hour
             h: 22, // hours to day
             d: 26, // days to month
             M: 11 // months to year
         },

         // tokens to ordinalize and pad
         ordinalizeTokens = 'DDD w W M D d'.split(' '),
         paddedTokens = 'M D H h m s w W'.split(' '),

         formatTokenFunctions = {
             M: function() {
                 return this.month() + 1;
             },
             MMM: function(format) {
                 return this.localeData().monthsShort(this, format);
             },
             MMMM: function(format) {
                 return this.localeData().months(this, format);
             },
             D: function() {
                 return this.date();
             },
             DDD: function() {
                 return this.dayOfYear();
             },
             d: function() {
                 return this.day();
             },
             dd: function(format) {
                 return this.localeData().weekdaysMin(this, format);
             },
             ddd: function(format) {
                 return this.localeData().weekdaysShort(this, format);
             },
             dddd: function(format) {
                 return this.localeData().weekdays(this, format);
             },
             w: function() {
                 return this.week();
             },
             W: function() {
                 return this.isoWeek();
             },
             YY: function() {
                 return leftZeroFill(this.year() % 100, 2);
             },
             YYYY: function() {
                 return leftZeroFill(this.year(), 4);
             },
             YYYYY: function() {
                 return leftZeroFill(this.year(), 5);
             },
             YYYYYY: function() {
                 var y = this.year(),
                     sign = y >= 0 ? '+' : '-';
                 return sign + leftZeroFill(Math.abs(y), 6);
             },
             gg: function() {
                 return leftZeroFill(this.weekYear() % 100, 2);
             },
             gggg: function() {
                 return leftZeroFill(this.weekYear(), 4);
             },
             ggggg: function() {
                 return leftZeroFill(this.weekYear(), 5);
             },
             GG: function() {
                 return leftZeroFill(this.isoWeekYear() % 100, 2);
             },
             GGGG: function() {
                 return leftZeroFill(this.isoWeekYear(), 4);
             },
             GGGGG: function() {
                 return leftZeroFill(this.isoWeekYear(), 5);
             },
             e: function() {
                 return this.weekday();
             },
             E: function() {
                 return this.isoWeekday();
             },
             a: function() {
                 return this.localeData().meridiem(this.hours(), this.minutes(), true);
             },
             A: function() {
                 return this.localeData().meridiem(this.hours(), this.minutes(), false);
             },
             H: function() {
                 return this.hours();
             },
             h: function() {
                 return this.hours() % 12 || 12;
             },
             m: function() {
                 return this.minutes();
             },
             s: function() {
                 return this.seconds();
             },
             S: function() {
                 return toInt(this.milliseconds() / 100);
             },
             SS: function() {
                 return leftZeroFill(toInt(this.milliseconds() / 10), 2);
             },
             SSS: function() {
                 return leftZeroFill(this.milliseconds(), 3);
             },
             SSSS: function() {
                 return leftZeroFill(this.milliseconds(), 3);
             },
             Z: function() {
                 var a = this.utcOffset(),
                     b = '+';
                 if (a < 0) {
                     a = -a;
                     b = '-';
                 }
                 return b + leftZeroFill(toInt(a / 60), 2) + ':' + leftZeroFill(toInt(a) % 60, 2);
             },
             ZZ: function() {
                 var a = this.utcOffset(),
                     b = '+';
                 if (a < 0) {
                     a = -a;
                     b = '-';
                 }
                 return b + leftZeroFill(toInt(a / 60), 2) + leftZeroFill(toInt(a) % 60, 2);
             },
             z: function() {
                 return this.zoneAbbr();
             },
             zz: function() {
                 return this.zoneName();
             },
             x: function() {
                 return this.valueOf();
             },
             X: function() {
                 return this.unix();
             },
             Q: function() {
                 return this.quarter();
             }
         },

         deprecations = {},

         lists = ['months', 'monthsShort', 'weekdays', 'weekdaysShort', 'weekdaysMin'],

         updateInProgress = false;

     // Pick the first defined of two or three arguments. dfl comes from
     // default.
     function dfl(a, b, c) {
         switch (arguments.length) {
             case 2:
                 return a != null ? a : b;
             case 3:
                 return a != null ? a : b != null ? b : c;
             default:
                 throw new Error('Implement me');
         }
     }

     function hasOwnProp(a, b) {
         return hasOwnProperty.call(a, b);
     }

     function defaultParsingFlags() {
         // We need to deep clone this object, and es5 standard is not very
         // helpful.
         return {
             empty: false,
             unusedTokens: [],
             unusedInput: [],
             overflow: -2,
             charsLeftOver: 0,
             nullInput: false,
             invalidMonth: null,
             invalidFormat: false,
             userInvalidated: false,
             iso: false
         };
     }

     function printMsg(msg) {
         if (moment.suppressDeprecationWarnings === false) {
             firebird.warn('Deprecation warning: ' + msg);
         }
     }

     function deprecate(msg, fn) {
         var firstTime = true;
         return extend(function() {
             if (firstTime) {
                 printMsg(msg);
                 firstTime = false;
             }
             return fn.apply(this, arguments);
         }, fn);
     }

     function deprecateSimple(name, msg) {
         if (!deprecations[name]) {
             printMsg(msg);
             deprecations[name] = true;
         }
     }

     function padToken(func, count) {
         return function(a) {
             return leftZeroFill(func.call(this, a), count);
         };
     }

     function ordinalizeToken(func, period) {
         return function(a) {
             return this.localeData().ordinal(func.call(this, a), period);
         };
     }

     function monthDiff(a, b) {
         // difference in months
         var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),
             // b is in (anchor - 1 month, anchor + 1 month)
             anchor = a.clone().add(wholeMonthDiff, 'months'),
             anchor2, adjust;

         if (b - anchor < 0) {
             anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');
             // linear across the month
             adjust = (b - anchor) / (anchor - anchor2);
         } else {
             anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');
             // linear across the month
             adjust = (b - anchor) / (anchor2 - anchor);
         }

         return -(wholeMonthDiff + adjust);
     }

     while (ordinalizeTokens.length) {
         i = ordinalizeTokens.pop();
         formatTokenFunctions[i + 'o'] = ordinalizeToken(formatTokenFunctions[i], i);
     }
     while (paddedTokens.length) {
         i = paddedTokens.pop();
         formatTokenFunctions[i + i] = padToken(formatTokenFunctions[i], 2);
     }
     formatTokenFunctions.DDDD = padToken(formatTokenFunctions.DDD, 3);


     function meridiemFixWrap(locale, hour, meridiem) {
         var isPm;

         if (meridiem == null) {
             // nothing to do
             return hour;
         }
         if (locale.meridiemHour != null) {
             return locale.meridiemHour(hour, meridiem);
         } else if (locale.isPM != null) {
             // Fallback
             isPm = locale.isPM(meridiem);
             if (isPm && hour < 12) {
                 hour += 12;
             }
             if (!isPm && hour === 12) {
                 hour = 0;
             }
             return hour;
         } else {
             // thie is not supposed to happen
             return hour;
         }
     }

     /************************************
      Constructors
      ************************************/

     function Locale() {}

     // Moment prototype object
     function Moment(config, skipOverflow) {
         if (skipOverflow !== false) {
             checkOverflow(config);
         }
         copyConfig(this, config);
         this._d = new Date(+config._d);
         // Prevent infinite loop in case updateOffset creates new moment
         // objects.
         if (updateInProgress === false) {
             updateInProgress = true;
             moment.updateOffset(this);
             updateInProgress = false;
         }
     }

     // Duration Constructor
     function Duration(duration) {
         var normalizedInput = normalizeObjectUnits(duration),
             years = normalizedInput.year || 0,
             quarters = normalizedInput.quarter || 0,
             months = normalizedInput.month || 0,
             weeks = normalizedInput.week || 0,
             days = normalizedInput.day || 0,
             hours = normalizedInput.hour || 0,
             minutes = normalizedInput.minute || 0,
             seconds = normalizedInput.second || 0,
             milliseconds = normalizedInput.millisecond || 0;

         // representation for dateAddRemove
         this._milliseconds = +milliseconds +
         seconds * 1e3 + // 1000
         minutes * 6e4 + // 1000 * 60
         hours * 36e5; // 1000 * 60 * 60
         // Because of dateAddRemove treats 24 hours as different from a
         // day when working around DST, we need to store them separately
         this._days = +days +
         weeks * 7;
         // It is impossible translate months into days without knowing
         // which months you are are talking about, so we have to store
         // it separately.
         this._months = +months +
         quarters * 3 +
         years * 12;

         this._data = {};

         this._locale = moment.localeData();

         this._bubble();
     }

     /************************************
      Helpers
      ************************************/


     function extend(a, b) {
         for (var i in b) {
             if (hasOwnProp(b, i)) {
                 a[i] = b[i];
             }
         }

         if (hasOwnProp(b, 'toString')) {
             a.toString = b.toString;
         }

         if (hasOwnProp(b, 'valueOf')) {
             a.valueOf = b.valueOf;
         }

         return a;
     }

     function copyConfig(to, from) {
         var i, prop, val;

         if (typeof from._isAMomentObject !== 'undefined') {
             to._isAMomentObject = from._isAMomentObject;
         }
         if (typeof from._i !== 'undefined') {
             to._i = from._i;
         }
         if (typeof from._f !== 'undefined') {
             to._f = from._f;
         }
         if (typeof from._l !== 'undefined') {
             to._l = from._l;
         }
         if (typeof from._strict !== 'undefined') {
             to._strict = from._strict;
         }
         if (typeof from._tzm !== 'undefined') {
             to._tzm = from._tzm;
         }
         if (typeof from._isUTC !== 'undefined') {
             to._isUTC = from._isUTC;
         }
         if (typeof from._offset !== 'undefined') {
             to._offset = from._offset;
         }
         if (typeof from._pf !== 'undefined') {
             to._pf = from._pf;
         }
         if (typeof from._locale !== 'undefined') {
             to._locale = from._locale;
         }

         if (momentProperties.length > 0) {
             for (i in momentProperties) {
                 prop = momentProperties[i];
                 val = from[prop];
                 if (typeof val !== 'undefined') {
                     to[prop] = val;
                 }
             }
         }

         return to;
     }

     function absRound(number) {
         if (number < 0) {
             return Math.ceil(number);
         } else {
             return Math.floor(number);
         }
     }

     // left zero fill a number
     // see http://jsperf.com/left-zero-filling for performance comparison
     function leftZeroFill(number, targetLength, forceSign) {
         var output = '' + Math.abs(number),
             sign = number >= 0;

         while (output.length < targetLength) {
             output = '0' + output;
         }
         return (sign ? (forceSign ? '+' : '') : '-') + output;
     }

     function positiveMomentsDifference(base, other) {
         var res = {
             milliseconds: 0,
             months: 0
         };

         res.months = other.month() - base.month() +
         (other.year() - base.year()) * 12;
         if (base.clone().add(res.months, 'M').isAfter(other)) {
             --res.months;
         }

         res.milliseconds = +other - +(base.clone().add(res.months, 'M'));

         return res;
     }

     function momentsDifference(base, other) {
         var res;
         other = makeAs(other, base);
         if (base.isBefore(other)) {
             res = positiveMomentsDifference(base, other);
         } else {
             res = positiveMomentsDifference(other, base);
             res.milliseconds = -res.milliseconds;
             res.months = -res.months;
         }

         return res;
     }

     // TODO: remove 'name' arg after deprecation is removed
     function createAdder(direction, name) {
         return function(val, period) {
             var dur, tmp;
             //invert the arguments, but complain about it
             if (period !== null && !isNaN(+period)) {
                 deprecateSimple(name, 'moment().' + name + '(period, number) is deprecated. Please use moment().' + name + '(number, period).');
                 tmp = val;
                 val = period;
                 period = tmp;
             }

             val = typeof val === 'string' ? +val : val;
             dur = moment.duration(val, period);
             addOrSubtractDurationFromMoment(this, dur, direction);
             return this;
         };
     }

     function addOrSubtractDurationFromMoment(mom, duration, isAdding, updateOffset) {
         var milliseconds = duration._milliseconds,
             days = duration._days,
             months = duration._months;
         updateOffset = updateOffset == null ? true : updateOffset;

         if (milliseconds) {
             mom._d.setTime(+mom._d + milliseconds * isAdding);
         }
         if (days) {
             rawSetter(mom, 'Date', rawGetter(mom, 'Date') + days * isAdding);
         }
         if (months) {
             rawMonthSetter(mom, rawGetter(mom, 'Month') + months * isAdding);
         }
         if (updateOffset) {
             moment.updateOffset(mom, days || months);
         }
     }

     // check if is an array
     function isArray(input) {
         return Object.prototype.toString.call(input) === '[object Array]';
     }

     function isDate(input) {
         return Object.prototype.toString.call(input) === '[object Date]' ||
             input instanceof Date;
     }

     // compare two arrays, return the number of differences
     function compareArrays(array1, array2, dontConvert) {
         var len = Math.min(array1.length, array2.length),
             lengthDiff = Math.abs(array1.length - array2.length),
             diffs = 0,
             i;
         for (i = 0; i < len; i++) {
             if ((dontConvert && array1[i] !== array2[i]) ||
                 (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
                 diffs++;
             }
         }
         return diffs + lengthDiff;
     }

     function normalizeUnits(units) {
         if (units) {
             var lowered = units.toLowerCase().replace(/(.)s$/, '$1');
             units = unitAliases[units] || camelFunctions[lowered] || lowered;
         }
         return units;
     }

     function normalizeObjectUnits(inputObject) {
         var normalizedInput = {},
             normalizedProp,
             prop;

         for (prop in inputObject) {
             if (hasOwnProp(inputObject, prop)) {
                 normalizedProp = normalizeUnits(prop);
                 if (normalizedProp) {
                     normalizedInput[normalizedProp] = inputObject[prop];
                 }
             }
         }

         return normalizedInput;
     }

     function makeList(field) {
         var count, setter;

         if (field.indexOf('week') === 0) {
             count = 7;
             setter = 'day';
         } else if (field.indexOf('month') === 0) {
             count = 12;
             setter = 'month';
         } else {
             return;
         }

         moment[field] = function(format, index) {
             var i, getter,
                 method = moment._locale[field],
                 results = [];

             if (typeof format === 'number') {
                 index = format;
                 format = undefined;
             }

             getter = function(i) {
                 var m = moment().utc().set(setter, i);
                 return method.call(moment._locale, m, format || '');
             };

             if (index != null) {
                 return getter(index);
             } else {
                 for (i = 0; i < count; i++) {
                     results.push(getter(i));
                 }
                 return results;
             }
         };
     }

     function toInt(argumentForCoercion) {
         var coercedNumber = +argumentForCoercion,
             value = 0;

         if (coercedNumber !== 0 && isFinite(coercedNumber)) {
             if (coercedNumber >= 0) {
                 value = Math.floor(coercedNumber);
             } else {
                 value = Math.ceil(coercedNumber);
             }
         }

         return value;
     }

     function daysInMonth(year, month) {
         return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
     }

     function weeksInYear(year, dow, doy) {
         return weekOfYear(moment([year, 11, 31 + dow - doy]), dow, doy).week;
     }

     function daysInYear(year) {
         return isLeapYear(year) ? 366 : 365;
     }

     function isLeapYear(year) {
         return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
     }

     function checkOverflow(m) {
         var overflow;
         if (m._a && m._pf.overflow === -2) {
             overflow =
                 m._a[MONTH] < 0 || m._a[MONTH] > 11 ? MONTH :
                     m._a[DATE] < 1 || m._a[DATE] > daysInMonth(m._a[YEAR], m._a[MONTH]) ? DATE :
                         m._a[HOUR] < 0 || m._a[HOUR] > 24 ||
                         (m._a[HOUR] === 24 && (m._a[MINUTE] !== 0 ||
                         m._a[SECOND] !== 0 ||
                         m._a[MILLISECOND] !== 0)) ? HOUR :
                             m._a[MINUTE] < 0 || m._a[MINUTE] > 59 ? MINUTE :
                                 m._a[SECOND] < 0 || m._a[SECOND] > 59 ? SECOND :
                                     m._a[MILLISECOND] < 0 || m._a[MILLISECOND] > 999 ? MILLISECOND : -1;

             if (m._pf._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
                 overflow = DATE;
             }

             m._pf.overflow = overflow;
         }
     }

     function isValid(m) {
         if (m._isValid == null) {
             m._isValid = !isNaN(m._d.getTime()) &&
             m._pf.overflow < 0 && !m._pf.empty && !m._pf.invalidMonth && !m._pf.nullInput && !m._pf.invalidFormat && !m._pf.userInvalidated;

             if (m._strict) {
                 m._isValid = m._isValid &&
                 m._pf.charsLeftOver === 0 &&
                 m._pf.unusedTokens.length === 0 &&
                 m._pf.bigHour === undefined;
             }
         }
         return m._isValid;
     }

     function normalizeLocale(key) {
         return key ? key.toLowerCase().replace('_', '-') : key;
     }

     // pick the locale from the array
     // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
     // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
     function chooseLocale(names) {
         var i = 0,
             j, next, locale, split;

         while (i < names.length) {
             split = normalizeLocale(names[i]).split('-');
             j = split.length;
             next = normalizeLocale(names[i + 1]);
             next = next ? next.split('-') : null;
             while (j > 0) {
                 locale = loadLocale(split.slice(0, j).join('-'));
                 if (locale) {
                     return locale;
                 }
                 if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
                     //the next array item is better than a shallower substring of this one
                     break;
                 }
                 j--;
             }
             i++;
         }
         return null;
     }

     function loadLocale(name) {
         var oldLocale = null;
         if (!locales[name] && hasModule) {
             try {
                 oldLocale = moment.locale();
                 require('./locale/' + name);
                 // because defineLocale currently also sets the global locale, we want to undo that for lazy loaded locales
                 moment.locale(oldLocale);
             } catch (e) {}
         }
         return locales[name];
     }

     // Return a moment from input, that is local/utc/utcOffset equivalent to
     // model.
     function makeAs(input, model) {
         var res, diff;
         if (model._isUTC) {
             res = model.clone();
             diff = (moment.isMoment(input) || isDate(input) ? +input : +moment(input)) - (+res);
             // Use low-level api, because this fn is low-level api.
             res._d.setTime(+res._d + diff);
             moment.updateOffset(res, false);
             return res;
         } else {
             return moment(input).local();
         }
     }

     /************************************
      Locale
      ************************************/


     extend(Locale.prototype, {

         set: function(config) {
             var prop, i;
             for (i in config) {
                 prop = config[i];
                 if (typeof prop === 'function') {
                     this[i] = prop;
                 } else {
                     this['_' + i] = prop;
                 }
             }
             // Lenient ordinal parsing accepts just a number in addition to
             // number + (possibly) stuff coming from _ordinalParseLenient.
             this._ordinalParseLenient = new RegExp(this._ordinalParse.source + '|' + /\d{1,2}/.source);
         },

         _months: 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_'),
         months: function(m) {
             return this._months[m.month()];
         },

         _monthsShort: 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_'),
         monthsShort: function(m) {
             return this._monthsShort[m.month()];
         },

         monthsParse: function(monthName, format, strict) {
             var i, mom, regex;

             if (!this._monthsParse) {
                 this._monthsParse = [];
                 this._longMonthsParse = [];
                 this._shortMonthsParse = [];
             }

             for (i = 0; i < 12; i++) {
                 // make the regex if we don't have it already
                 mom = moment.utc([2000, i]);
                 if (strict && !this._longMonthsParse[i]) {
                     this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');
                     this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');
                 }
                 if (!strict && !this._monthsParse[i]) {
                     regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
                     this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
                 }
                 // test the regex
                 if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {
                     return i;
                 } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {
                     return i;
                 } else if (!strict && this._monthsParse[i].test(monthName)) {
                     return i;
                 }
             }
         },

         _weekdays: 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_'),
         weekdays: function(m) {
             return this._weekdays[m.day()];
         },

         _weekdaysShort: 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_'),
         weekdaysShort: function(m) {
             return this._weekdaysShort[m.day()];
         },

         _weekdaysMin: 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_'),
         weekdaysMin: function(m) {
             return this._weekdaysMin[m.day()];
         },

         weekdaysParse: function(weekdayName) {
             var i, mom, regex;

             if (!this._weekdaysParse) {
                 this._weekdaysParse = [];
             }

             for (i = 0; i < 7; i++) {
                 // make the regex if we don't have it already
                 if (!this._weekdaysParse[i]) {
                     mom = moment([2000, 1]).day(i);
                     regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
                     this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
                 }
                 // test the regex
                 if (this._weekdaysParse[i].test(weekdayName)) {
                     return i;
                 }
             }
         },

         _longDateFormat: {
             LTS: 'h:mm:ss A',
             LT: 'h:mm A',
             L: 'MM/DD/YYYY',
             LL: 'MMMM D, YYYY',
             LLL: 'MMMM D, YYYY LT',
             LLLL: 'dddd, MMMM D, YYYY LT'
         },
         longDateFormat: function(key) {
             var output = this._longDateFormat[key];
             if (!output && this._longDateFormat[key.toUpperCase()]) {
                 output = this._longDateFormat[key.toUpperCase()].replace(/MMMM|MM|DD|dddd/g, function(val) {
                     return val.slice(1);
                 });
                 this._longDateFormat[key] = output;
             }
             return output;
         },

         isPM: function(input) {
             // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
             // Using charAt should be more compatible.
             return ((input + '').toLowerCase().charAt(0) === 'p');
         },

         _meridiemParse: /[ap]\.?m?\.?/i,
         meridiem: function(hours, minutes, isLower) {
             if (hours > 11) {
                 return isLower ? 'pm' : 'PM';
             } else {
                 return isLower ? 'am' : 'AM';
             }
         },


         _calendar: {
             sameDay: '[Today at] LT',
             nextDay: '[Tomorrow at] LT',
             nextWeek: 'dddd [at] LT',
             lastDay: '[Yesterday at] LT',
             lastWeek: '[Last] dddd [at] LT',
             sameElse: 'L'
         },
         calendar: function(key, mom, now) {
             var output = this._calendar[key];
             return typeof output === 'function' ? output.apply(mom, [now]) : output;
         },

         _relativeTime: {
             future: 'in %s',
             past: '%s ago',
             s: 'a few seconds',
             m: 'a minute',
             mm: '%d minutes',
             h: 'an hour',
             hh: '%d hours',
             d: 'a day',
             dd: '%d days',
             M: 'a month',
             MM: '%d months',
             y: 'a year',
             yy: '%d years'
         },

         relativeTime: function(number, withoutSuffix, string, isFuture) {
             var output = this._relativeTime[string];
             return (typeof output === 'function') ?
                 output(number, withoutSuffix, string, isFuture) :
                 output.replace(/%d/i, number);
         },

         pastFuture: function(diff, output) {
             var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
             return typeof format === 'function' ? format(output) : format.replace(/%s/i, output);
         },

         ordinal: function(number) {
             return this._ordinal.replace('%d', number);
         },
         _ordinal: '%d',
         _ordinalParse: /\d{1,2}/,

         preparse: function(string) {
             return string;
         },

         postformat: function(string) {
             return string;
         },

         week: function(mom) {
             return weekOfYear(mom, this._week.dow, this._week.doy).week;
         },

         _week: {
             dow: 0, // Sunday is the first day of the week.
             doy: 6 // The week that contains Jan 1st is the first week of the year.
         },

         firstDayOfWeek: function() {
             return this._week.dow;
         },

         firstDayOfYear: function() {
             return this._week.doy;
         },

         _invalidDate: 'Invalid date',
         invalidDate: function() {
             return this._invalidDate;
         }
     });

     /************************************
      Formatting
      ************************************/


     function removeFormattingTokens(input) {
         if (input.match(/\[[\s\S]/)) {
             return input.replace(/^\[|\]$/g, '');
         }
         return input.replace(/\\/g, '');
     }

     function makeFormatFunction(format) {
         var array = format.match(formattingTokens),
             i, length;

         for (i = 0, length = array.length; i < length; i++) {
             if (formatTokenFunctions[array[i]]) {
                 array[i] = formatTokenFunctions[array[i]];
             } else {
                 array[i] = removeFormattingTokens(array[i]);
             }
         }

         return function(mom) {
             var output = '';
             for (i = 0; i < length; i++) {
                 output += array[i] instanceof Function ? array[i].call(mom, format) : array[i];
             }
             return output;
         };
     }

     // format date using native date object
     function formatMoment(m, format) {
         if (!m.isValid()) {
             return m.localeData().invalidDate();
         }

         format = expandFormat(format, m.localeData());

         if (!formatFunctions[format]) {
             formatFunctions[format] = makeFormatFunction(format);
         }

         return formatFunctions[format](m);
     }

     function expandFormat(format, locale) {
         var i = 5;

         function replaceLongDateFormatTokens(input) {
             return locale.longDateFormat(input) || input;
         }

         localFormattingTokens.lastIndex = 0;
         while (i >= 0 && localFormattingTokens.test(format)) {
             format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
             localFormattingTokens.lastIndex = 0;
             i -= 1;
         }

         return format;
     }


     /************************************
      Parsing
      ************************************/


     // get the regex to find the next token
     function getParseRegexForToken(token, config) {
         var a, strict = config._strict;
         switch (token) {
             case 'Q':
                 return parseTokenOneDigit;
             case 'DDDD':
                 return parseTokenThreeDigits;
             case 'YYYY':
             case 'GGGG':
             case 'gggg':
                 return strict ? parseTokenFourDigits : parseTokenOneToFourDigits;
             case 'Y':
             case 'G':
             case 'g':
                 return parseTokenSignedNumber;
             case 'YYYYYY':
             case 'YYYYY':
             case 'GGGGG':
             case 'ggggg':
                 return strict ? parseTokenSixDigits : parseTokenOneToSixDigits;
             case 'S':
                 if (strict) {
                     return parseTokenOneDigit;
                 }
             /* falls through */
             case 'SS':
                 if (strict) {
                     return parseTokenTwoDigits;
                 }
             /* falls through */
             case 'SSS':
                 if (strict) {
                     return parseTokenThreeDigits;
                 }
             /* falls through */
             case 'DDD':
                 return parseTokenOneToThreeDigits;
             case 'MMM':
             case 'MMMM':
             case 'dd':
             case 'ddd':
             case 'dddd':
                 return parseTokenWord;
             case 'a':
             case 'A':
                 return config._locale._meridiemParse;
             case 'x':
                 return parseTokenOffsetMs;
             case 'X':
                 return parseTokenTimestampMs;
             case 'Z':
             case 'ZZ':
                 return parseTokenTimezone;
             case 'T':
                 return parseTokenT;
             case 'SSSS':
                 return parseTokenDigits;
             case 'MM':
             case 'DD':
             case 'YY':
             case 'GG':
             case 'gg':
             case 'HH':
             case 'hh':
             case 'mm':
             case 'ss':
             case 'ww':
             case 'WW':
                 return strict ? parseTokenTwoDigits : parseTokenOneOrTwoDigits;
             case 'M':
             case 'D':
             case 'd':
             case 'H':
             case 'h':
             case 'm':
             case 's':
             case 'w':
             case 'W':
             case 'e':
             case 'E':
                 return parseTokenOneOrTwoDigits;
             case 'Do':
                 return strict ? config._locale._ordinalParse : config._locale._ordinalParseLenient;
             default:
                 a = new RegExp(regexpEscape(unescapeFormat(token.replace('\\', '')), 'i'));
                 return a;
         }
     }

     function utcOffsetFromString(string) {
         string = string || '';
         var possibleTzMatches = (string.match(parseTokenTimezone) || []),
             tzChunk = possibleTzMatches[possibleTzMatches.length - 1] || [],
             parts = (tzChunk + '').match(parseTimezoneChunker) || ['-', 0, 0],
             minutes = +(parts[1] * 60) + toInt(parts[2]);

         return parts[0] === '+' ? minutes : -minutes;
     }

     // function to convert string input to date
     function addTimeToArrayFromToken(token, input, config) {
         var a, datePartArray = config._a;

         switch (token) {
             // QUARTER
             case 'Q':
                 if (input != null) {
                     datePartArray[MONTH] = (toInt(input) - 1) * 3;
                 }
                 break;
             // MONTH
             case 'M': // fall through to MM
             case 'MM':
                 if (input != null) {
                     datePartArray[MONTH] = toInt(input) - 1;
                 }
                 break;
             case 'MMM': // fall through to MMMM
             case 'MMMM':
                 a = config._locale.monthsParse(input, token, config._strict);
                 // if we didn't find a month name, mark the date as invalid.
                 if (a != null) {
                     datePartArray[MONTH] = a;
                 } else {
                     config._pf.invalidMonth = input;
                 }
                 break;
             // DAY OF MONTH
             case 'D': // fall through to DD
             case 'DD':
                 if (input != null) {
                     datePartArray[DATE] = toInt(input);
                 }
                 break;
             case 'Do':
                 if (input != null) {
                     datePartArray[DATE] = toInt(parseInt(
                         input.match(/\d{1,2}/)[0], 10));
                 }
                 break;
             // DAY OF YEAR
             case 'DDD': // fall through to DDDD
             case 'DDDD':
                 if (input != null) {
                     config._dayOfYear = toInt(input);
                 }

                 break;
             // YEAR
             case 'YY':
                 datePartArray[YEAR] = moment.parseTwoDigitYear(input);
                 break;
             case 'YYYY':
             case 'YYYYY':
             case 'YYYYYY':
                 datePartArray[YEAR] = toInt(input);
                 break;
             // AM / PM
             case 'a': // fall through to A
             case 'A':
                 config._meridiem = input;
                 // config._isPm = config._locale.isPM(input);
                 break;
             // HOUR
             case 'h': // fall through to hh
             case 'hh':
                 config._pf.bigHour = true;
             /* falls through */
             case 'H': // fall through to HH
             case 'HH':
                 datePartArray[HOUR] = toInt(input);
                 break;
             // MINUTE
             case 'm': // fall through to mm
             case 'mm':
                 datePartArray[MINUTE] = toInt(input);
                 break;
             // SECOND
             case 's': // fall through to ss
             case 'ss':
                 datePartArray[SECOND] = toInt(input);
                 break;
             // MILLISECOND
             case 'S':
             case 'SS':
             case 'SSS':
             case 'SSSS':
                 datePartArray[MILLISECOND] = toInt(('0.' + input) * 1000);
                 break;
             // UNIX OFFSET (MILLISECONDS)
             case 'x':
                 config._d = new Date(toInt(input));
                 break;
             // UNIX TIMESTAMP WITH MS
             case 'X':
                 config._d = new Date(parseFloat(input) * 1000);
                 break;
             // TIMEZONE
             case 'Z': // fall through to ZZ
             case 'ZZ':
                 config._useUTC = true;
                 config._tzm = utcOffsetFromString(input);
                 break;
             // WEEKDAY - human
             case 'dd':
             case 'ddd':
             case 'dddd':
                 a = config._locale.weekdaysParse(input);
                 // if we didn't get a weekday name, mark the date as invalid
                 if (a != null) {
                     config._w = config._w || {};
                     config._w['d'] = a;
                 } else {
                     config._pf.invalidWeekday = input;
                 }
                 break;
             // WEEK, WEEK DAY - numeric
             case 'w':
             case 'ww':
             case 'W':
             case 'WW':
             case 'd':
             case 'e':
             case 'E':
                 token = token.substr(0, 1);
             /* falls through */
             case 'gggg':
             case 'GGGG':
             case 'GGGGG':
                 token = token.substr(0, 2);
                 if (input) {
                     config._w = config._w || {};
                     config._w[token] = toInt(input);
                 }
                 break;
             case 'gg':
             case 'GG':
                 config._w = config._w || {};
                 config._w[token] = moment.parseTwoDigitYear(input);
         }
     }

     function dayOfYearFromWeekInfo(config) {
         var w, weekYear, week, weekday, dow, doy, temp;

         w = config._w;
         if (w.GG != null || w.W != null || w.E != null) {
             dow = 1;
             doy = 4;

             // TODO: We need to take the current isoWeekYear, but that depends on
             // how we interpret now (local, utc, fixed offset). So create
             // a now version of current config (take local/utc/offset flags, and
             // create now).
             weekYear = dfl(w.GG, config._a[YEAR], weekOfYear(moment(), 1, 4).year);
             week = dfl(w.W, 1);
             weekday = dfl(w.E, 1);
         } else {
             dow = config._locale._week.dow;
             doy = config._locale._week.doy;

             weekYear = dfl(w.gg, config._a[YEAR], weekOfYear(moment(), dow, doy).year);
             week = dfl(w.w, 1);

             if (w.d != null) {
                 // weekday -- low day numbers are considered next week
                 weekday = w.d;
                 if (weekday < dow) {
                     ++week;
                 }
             } else if (w.e != null) {
                 // local weekday -- counting starts from begining of week
                 weekday = w.e + dow;
             } else {
                 // default to begining of week
                 weekday = dow;
             }
         }
         temp = dayOfYearFromWeeks(weekYear, week, weekday, doy, dow);

         config._a[YEAR] = temp.year;
         config._dayOfYear = temp.dayOfYear;
     }

     // convert an array to a date.
     // the array should mirror the parameters below
     // note: all values past the year are optional and will default to the lowest possible value.
     // [year, month, day , hour, minute, second, millisecond]
     function dateFromConfig(config) {
         var i, date, input = [],
             currentDate, yearToUse;

         if (config._d) {
             return;
         }

         currentDate = currentDateArray(config);

         //compute day of the year from weeks and weekdays
         if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
             dayOfYearFromWeekInfo(config);
         }

         //if the day of the year is set, figure out what it is
         if (config._dayOfYear) {
             yearToUse = dfl(config._a[YEAR], currentDate[YEAR]);

             if (config._dayOfYear > daysInYear(yearToUse)) {
                 config._pf._overflowDayOfYear = true;
             }

             date = makeUTCDate(yearToUse, 0, config._dayOfYear);
             config._a[MONTH] = date.getUTCMonth();
             config._a[DATE] = date.getUTCDate();
         }

         // Default to current date.
         // * if no year, month, day of month are given, default to today
         // * if day of month is given, default month and year
         // * if month is given, default only year
         // * if year is given, don't default anything
         for (i = 0; i < 3 && config._a[i] == null; ++i) {
             config._a[i] = input[i] = currentDate[i];
         }

         // Zero out whatever was not defaulted, including time
         for (; i < 7; i++) {
             config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
         }

         // Check for 24:00:00.000
         if (config._a[HOUR] === 24 &&
             config._a[MINUTE] === 0 &&
             config._a[SECOND] === 0 &&
             config._a[MILLISECOND] === 0) {
             config._nextDay = true;
             config._a[HOUR] = 0;
         }

         config._d = (config._useUTC ? makeUTCDate : makeDate).apply(null, input);
         // Apply timezone offset from input. The actual utcOffset can be changed
         // with parseZone.
         if (config._tzm != null) {
             config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
         }

         if (config._nextDay) {
             config._a[HOUR] = 24;
         }
     }

     function dateFromObject(config) {
         var normalizedInput;

         if (config._d) {
             return;
         }

         normalizedInput = normalizeObjectUnits(config._i);
         config._a = [
             normalizedInput.year,
             normalizedInput.month,
             normalizedInput.day || normalizedInput.date,
             normalizedInput.hour,
             normalizedInput.minute,
             normalizedInput.second,
             normalizedInput.millisecond
         ];

         dateFromConfig(config);
     }

     function currentDateArray(config) {
         var now = new Date();
         if (config._useUTC) {
             return [
                 now.getUTCFullYear(),
                 now.getUTCMonth(),
                 now.getUTCDate()
             ];
         } else {
             return [now.getFullYear(), now.getMonth(), now.getDate()];
         }
     }

     // date from string and format string
     function makeDateFromStringAndFormat(config) {
         if (config._f === moment.ISO_8601) {
             parseISO(config);
             return;
         }

         config._a = [];
         config._pf.empty = true;

         // This array is used to make a Date, either with `new Date` or `Date.UTC`
         var string = '' + config._i,
             i, parsedInput, tokens, token, skipped,
             stringLength = string.length,
             totalParsedInputLength = 0;

         tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];

         for (i = 0; i < tokens.length; i++) {
             token = tokens[i];
             parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
             if (parsedInput) {
                 skipped = string.substr(0, string.indexOf(parsedInput));
                 if (skipped.length > 0) {
                     config._pf.unusedInput.push(skipped);
                 }
                 string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
                 totalParsedInputLength += parsedInput.length;
             }
             // don't parse if it's not a known token
             if (formatTokenFunctions[token]) {
                 if (parsedInput) {
                     config._pf.empty = false;
                 } else {
                     config._pf.unusedTokens.push(token);
                 }
                 addTimeToArrayFromToken(token, parsedInput, config);
             } else if (config._strict && !parsedInput) {
                 config._pf.unusedTokens.push(token);
             }
         }

         // add remaining unparsed input length to the string
         config._pf.charsLeftOver = stringLength - totalParsedInputLength;
         if (string.length > 0) {
             config._pf.unusedInput.push(string);
         }

         // clear _12h flag if hour is <= 12
         if (config._pf.bigHour === true && config._a[HOUR] <= 12) {
             config._pf.bigHour = undefined;
         }
         // handle meridiem
         config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR],
             config._meridiem);
         dateFromConfig(config);
         checkOverflow(config);
     }

     function unescapeFormat(s) {
         return s.replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function(matched, p1, p2, p3, p4) {
             return p1 || p2 || p3 || p4;
         });
     }

     // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
     function regexpEscape(s) {
         return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
     }

     // date from string and array of format strings
     function makeDateFromStringAndArray(config) {
         var tempConfig,
             bestMoment,

             scoreToBeat,
             i,
             currentScore;

         if (config._f.length === 0) {
             config._pf.invalidFormat = true;
             config._d = new Date(NaN);
             return;
         }

         for (i = 0; i < config._f.length; i++) {
             currentScore = 0;
             tempConfig = copyConfig({}, config);
             if (config._useUTC != null) {
                 tempConfig._useUTC = config._useUTC;
             }
             tempConfig._pf = defaultParsingFlags();
             tempConfig._f = config._f[i];
             makeDateFromStringAndFormat(tempConfig);

             if (!isValid(tempConfig)) {
                 continue;
             }

             // if there is any input that was not parsed add a penalty for that format
             currentScore += tempConfig._pf.charsLeftOver;

             //or tokens
             currentScore += tempConfig._pf.unusedTokens.length * 10;

             tempConfig._pf.score = currentScore;

             if (scoreToBeat == null || currentScore < scoreToBeat) {
                 scoreToBeat = currentScore;
                 bestMoment = tempConfig;
             }
         }

         extend(config, bestMoment || tempConfig);
     }

     // date from iso format
     function parseISO(config) {
         var i, l,
             string = config._i,
             match = isoRegex.exec(string);

         if (match) {
             config._pf.iso = true;
             for (i = 0, l = isoDates.length; i < l; i++) {
                 if (isoDates[i][1].exec(string)) {
                     // match[5] should be 'T' or undefined
                     config._f = isoDates[i][0] + (match[6] || ' ');
                     break;
                 }
             }
             for (i = 0, l = isoTimes.length; i < l; i++) {
                 if (isoTimes[i][1].exec(string)) {
                     config._f += isoTimes[i][0];
                     break;
                 }
             }
             if (string.match(parseTokenTimezone)) {
                 config._f += 'Z';
             }
             makeDateFromStringAndFormat(config);
         } else {
             config._isValid = false;
         }
     }

     // date from iso format or fallback
     function makeDateFromString(config) {
         parseISO(config);
         if (config._isValid === false) {
             delete config._isValid;
             moment.createFromInputFallback(config);
         }
     }

     function map(arr, fn) {
         var res = [],
             i;
         for (i = 0; i < arr.length; ++i) {
             res.push(fn(arr[i], i));
         }
         return res;
     }

     function makeDateFromInput(config) {
         var input = config._i,
             matched;
         if (input === undefined) {
             config._d = new Date();
         } else if (isDate(input)) {
             config._d = new Date(+input);
         } else if ((matched = aspNetJsonRegex.exec(input)) !== null) {
             config._d = new Date(+matched[1]);
         } else if (typeof input === 'string') {
             makeDateFromString(config);
         } else if (isArray(input)) {
             config._a = map(input.slice(0), function(obj) {
                 return parseInt(obj, 10);
             });
             dateFromConfig(config);
         } else if (typeof(input) === 'object') {
             dateFromObject(config);
         } else if (typeof(input) === 'number') {
             // from milliseconds
             config._d = new Date(input);
         } else {
             moment.createFromInputFallback(config);
         }
     }

     function makeDate(y, m, d, h, M, s, ms) {
         //can't just apply() to create a date:
         //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply
         var date = new Date(y, m, d, h, M, s, ms);

         //the date constructor doesn't accept years < 1970
         if (y < 1970) {
             date.setFullYear(y);
         }
         return date;
     }

     function makeUTCDate(y) {
         var date = new Date(Date.UTC.apply(null, arguments));
         if (y < 1970) {
             date.setUTCFullYear(y);
         }
         return date;
     }

     function parseWeekday(input, locale) {
         if (typeof input === 'string') {
             if (!isNaN(input)) {
                 input = parseInt(input, 10);
             } else {
                 input = locale.weekdaysParse(input);
                 if (typeof input !== 'number') {
                     return null;
                 }
             }
         }
         return input;
     }

     /************************************
      Relative Time
      ************************************/


     // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
     function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
         return locale.relativeTime(number || 1, !! withoutSuffix, string, isFuture);
     }

     function relativeTime(posNegDuration, withoutSuffix, locale) {
         var duration = moment.duration(posNegDuration).abs(),
             seconds = round(duration.as('s')),
             minutes = round(duration.as('m')),
             hours = round(duration.as('h')),
             days = round(duration.as('d')),
             months = round(duration.as('M')),
             years = round(duration.as('y')),

             args = seconds < relativeTimeThresholds.s && ['s', seconds] ||
                 minutes === 1 && ['m'] ||
                 minutes < relativeTimeThresholds.m && ['mm', minutes] ||
                 hours === 1 && ['h'] ||
                 hours < relativeTimeThresholds.h && ['hh', hours] ||
                 days === 1 && ['d'] ||
                 days < relativeTimeThresholds.d && ['dd', days] ||
                 months === 1 && ['M'] ||
                 months < relativeTimeThresholds.M && ['MM', months] ||
                 years === 1 && ['y'] || ['yy', years];

         args[2] = withoutSuffix;
         args[3] = +posNegDuration > 0;
         args[4] = locale;
         return substituteTimeAgo.apply({}, args);
     }


     /************************************
      Week of Year
      ************************************/


     // firstDayOfWeek       0 = sun, 6 = sat
     //                      the day of the week that starts the week
     //                      (usually sunday or monday)
     // firstDayOfWeekOfYear 0 = sun, 6 = sat
     //                      the first week is the week that contains the first
     //                      of this day of the week
     //                      (eg. ISO weeks use thursday (4))
     function weekOfYear(mom, firstDayOfWeek, firstDayOfWeekOfYear) {
         var end = firstDayOfWeekOfYear - firstDayOfWeek,
             daysToDayOfWeek = firstDayOfWeekOfYear - mom.day(),
             adjustedMoment;


         if (daysToDayOfWeek > end) {
             daysToDayOfWeek -= 7;
         }

         if (daysToDayOfWeek < end - 7) {
             daysToDayOfWeek += 7;
         }

         adjustedMoment = moment(mom).add(daysToDayOfWeek, 'd');
         return {
             week: Math.ceil(adjustedMoment.dayOfYear() / 7),
             year: adjustedMoment.year()
         };
     }

     //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
     function dayOfYearFromWeeks(year, week, weekday, firstDayOfWeekOfYear, firstDayOfWeek) {
         var d = makeUTCDate(year, 0, 1).getUTCDay(),
             daysToAdd, dayOfYear;

         d = d === 0 ? 7 : d;
         weekday = weekday != null ? weekday : firstDayOfWeek;
         daysToAdd = firstDayOfWeek - d + (d > firstDayOfWeekOfYear ? 7 : 0) - (d < firstDayOfWeek ? 7 : 0);
         dayOfYear = 7 * (week - 1) + (weekday - firstDayOfWeek) + daysToAdd + 1;

         return {
             year: dayOfYear > 0 ? year : year - 1,
             dayOfYear: dayOfYear > 0 ? dayOfYear : daysInYear(year - 1) + dayOfYear
         };
     }

     /************************************
      Top Level Functions
      ************************************/

     function makeMoment(config) {
         var input = config._i,
             format = config._f,
             res;

         config._locale = config._locale || moment.localeData(config._l);

         if (input === null || (format === undefined && input === '')) {
             return moment.invalid({
                 nullInput: true
             });
         }

         if (typeof input === 'string') {
             config._i = input = config._locale.preparse(input);
         }

         if (moment.isMoment(input)) {
             return new Moment(input, true);
         } else if (format) {
             if (isArray(format)) {
                 makeDateFromStringAndArray(config);
             } else {
                 makeDateFromStringAndFormat(config);
             }
         } else {
             makeDateFromInput(config);
         }

         res = new Moment(config);
         if (res._nextDay) {
             // Adding is smart enough around DST
             res.add(1, 'd');
             res._nextDay = undefined;
         }

         return res;
     }

     moment = function(input, format, locale, strict) {
         var c;

         if (typeof(locale) === 'boolean') {
             strict = locale;
             locale = undefined;
         }
         // object construction must be done this way.
         // https://github.com/moment/moment/issues/1423
         c = {};
         c._isAMomentObject = true;
         c._i = input;
         c._f = format;
         c._l = locale;
         c._strict = strict;
         c._isUTC = false;
         c._pf = defaultParsingFlags();

         return makeMoment(c);
     };

     moment.suppressDeprecationWarnings = false;

     moment.createFromInputFallback = deprecate(
         'moment construction falls back to js Date. This is ' +
         'discouraged and will be removed in upcoming major ' +
         'release. Please refer to ' +
         'https://github.com/moment/moment/issues/1407 for more info.',
         function(config) {
             config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
         }
     );

     // Pick a moment m from moments so that m[fn](other) is true for all
     // other. This relies on the function fn to be transitive.
     //
     // moments should either be an array of moment objects or an array, whose
     // first element is an array of moment objects.
     function pickBy(fn, moments) {
         var res, i;
         if (moments.length === 1 && isArray(moments[0])) {
             moments = moments[0];
         }
         if (!moments.length) {
             return moment();
         }
         res = moments[0];
         for (i = 1; i < moments.length; ++i) {
             if (moments[i][fn](res)) {
                 res = moments[i];
             }
         }
         return res;
     }

     moment.min = function() {
         var args = [].slice.call(arguments, 0);

         return pickBy('isBefore', args);
     };

     moment.max = function() {
         var args = [].slice.call(arguments, 0);

         return pickBy('isAfter', args);
     };

     // creating with utc
     moment.utc = function(input, format, locale, strict) {
         var c;

         if (typeof(locale) === 'boolean') {
             strict = locale;
             locale = undefined;
         }
         // object construction must be done this way.
         // https://github.com/moment/moment/issues/1423
         c = {};
         c._isAMomentObject = true;
         c._useUTC = true;
         c._isUTC = true;
         c._l = locale;
         c._i = input;
         c._f = format;
         c._strict = strict;
         c._pf = defaultParsingFlags();

         return makeMoment(c).utc();
     };

     // creating with unix timestamp (in seconds)
     moment.unix = function(input) {
         return moment(input * 1000);
     };

     // duration
     moment.duration = function(input, key) {
         var duration = input,
             // matching against regexp is expensive, do it on demand
             match = null,
             sign,
             ret,
             parseIso,
             diffRes;

         if (moment.isDuration(input)) {
             duration = {
                 ms: input._milliseconds,
                 d: input._days,
                 M: input._months
             };
         } else if (typeof input === 'number') {
             duration = {};
             if (key) {
                 duration[key] = input;
             } else {
                 duration.milliseconds = input;
             }
         } else if ( !! (match = aspNetTimeSpanJsonRegex.exec(input))) {
             sign = (match[1] === '-') ? -1 : 1;
             duration = {
                 y: 0,
                 d: toInt(match[DATE]) * sign,
                 h: toInt(match[HOUR]) * sign,
                 m: toInt(match[MINUTE]) * sign,
                 s: toInt(match[SECOND]) * sign,
                 ms: toInt(match[MILLISECOND]) * sign
             };
         } else if ( !! (match = isoDurationRegex.exec(input))) {
             sign = (match[1] === '-') ? -1 : 1;
             parseIso = function(inp) {
                 // We'd normally use ~~inp for this, but unfortunately it also
                 // converts floats to ints.
                 // inp may be undefined, so careful calling replace on it.
                 var res = inp && parseFloat(inp.replace(',', '.'));
                 // apply sign while we're at it
                 return (isNaN(res) ? 0 : res) * sign;
             };
             duration = {
                 y: parseIso(match[2]),
                 M: parseIso(match[3]),
                 d: parseIso(match[4]),
                 h: parseIso(match[5]),
                 m: parseIso(match[6]),
                 s: parseIso(match[7]),
                 w: parseIso(match[8])
             };
         } else if (duration == null) { // checks for null or undefined
             duration = {};
         } else if (typeof duration === 'object' &&
             ('from' in duration || 'to' in duration)) {
             diffRes = momentsDifference(moment(duration.from), moment(duration.to));

             duration = {};
             duration.ms = diffRes.milliseconds;
             duration.M = diffRes.months;
         }

         ret = new Duration(duration);

         if (moment.isDuration(input) && hasOwnProp(input, '_locale')) {
             ret._locale = input._locale;
         }

         return ret;
     };

     // version number
     moment.version = VERSION;

     // default format
     moment.defaultFormat = isoFormat;

     // constant that refers to the ISO standard
     moment.ISO_8601 = function() {};

     // Plugins that add properties should also add the key here (null value),
     // so we can properly clone ourselves.
     moment.momentProperties = momentProperties;

     // This function will be called whenever a moment is mutated.
     // It is intended to keep the offset in sync with the timezone.
     moment.updateOffset = function() {};

     // This function allows you to set a threshold for relative time strings
     moment.relativeTimeThreshold = function(threshold, limit) {
         if (relativeTimeThresholds[threshold] === undefined) {
             return false;
         }
         if (limit === undefined) {
             return relativeTimeThresholds[threshold];
         }
         relativeTimeThresholds[threshold] = limit;
         return true;
     };

     moment.lang = deprecate(
         'moment.lang is deprecated. Use moment.locale instead.',
         function(key, value) {
             return moment.locale(key, value);
         }
     );

     // This function will load locale and then set the global locale.  If
     // no arguments are passed in, it will simply return the current global
     // locale key.
     moment.locale = function(key, values) {
         var data;
         if (key) {
             if (typeof(values) !== 'undefined') {
                 data = moment.defineLocale(key, values);
             } else {
                 data = moment.localeData(key);
             }

             if (data) {
                 moment.duration._locale = moment._locale = data;
             }
         }

         return moment._locale._abbr;
     };

     moment.defineLocale = function(name, values) {
         if (values !== null) {
             values.abbr = name;
             if (!locales[name]) {
                 locales[name] = new Locale();
             }
             locales[name].set(values);

             // backwards compat for now: also set the locale
             moment.locale(name);

             return locales[name];
         } else {
             // useful for testing
             delete locales[name];
             return null;
         }
     };

     moment.langData = deprecate(
         'moment.langData is deprecated. Use moment.localeData instead.',
         function(key) {
             return moment.localeData(key);
         }
     );

     // returns locale data
     moment.localeData = function(key) {
         var locale;

         if (key && key._locale && key._locale._abbr) {
             key = key._locale._abbr;
         }

         if (!key) {
             return moment._locale;
         }

         if (!isArray(key)) {
             //short-circuit everything else
             locale = loadLocale(key);
             if (locale) {
                 return locale;
             }
             key = [key];
         }

         return chooseLocale(key);
     };

     // compare moment object
     moment.isMoment = function(obj) {
         return obj instanceof Moment ||
             (obj != null && hasOwnProp(obj, '_isAMomentObject'));
     };

     // for typechecking Duration objects
     moment.isDuration = function(obj) {
         return obj instanceof Duration;
     };

     for (i = lists.length - 1; i >= 0; --i) {
         makeList(lists[i]);
     }

     moment.normalizeUnits = function(units) {
         return normalizeUnits(units);
     };

     moment.invalid = function(flags) {
         var m = moment.utc(NaN);
         if (flags != null) {
             extend(m._pf, flags);
         } else {
             m._pf.userInvalidated = true;
         }

         return m;
     };

     moment.parseZone = function() {
         return moment.apply(null, arguments).parseZone();
     };

     moment.parseTwoDigitYear = function(input) {
         return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
     };

     moment.isDate = isDate;

     /************************************
      Moment Prototype
      ************************************/


     extend(moment.fn = Moment.prototype, {

         clone: function() {
             return moment(this);
         },

         valueOf: function() {
             return +this._d - ((this._offset || 0) * 60000);
         },

         unix: function() {
             return Math.floor(+this / 1000);
         },

         toString: function() {
             return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
         },

         toDate: function() {
             return this._offset ? new Date(+this) : this._d;
         },

         toISOString: function() {
             var m = moment(this).utc();
             if (0 < m.year() && m.year() <= 9999) {
                 if ('function' === typeof Date.prototype.toISOString) {
                     // native implementation is ~50x faster, use it when we can
                     return this.toDate().toISOString();
                 } else {
                     return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
                 }
             } else {
                 return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
             }
         },

         toArray: function() {
             var m = this;
             return [
                 m.year(),
                 m.month(),
                 m.date(),
                 m.hours(),
                 m.minutes(),
                 m.seconds(),
                 m.milliseconds()
             ];
         },

         isValid: function() {
             return isValid(this);
         },

         isDSTShifted: function() {
             if (this._a) {
                 return this.isValid() && compareArrays(this._a, (this._isUTC ? moment.utc(this._a) : moment(this._a)).toArray()) > 0;
             }

             return false;
         },

         parsingFlags: function() {
             return extend({}, this._pf);
         },

         invalidAt: function() {
             return this._pf.overflow;
         },

         utc: function(keepLocalTime) {
             return this.utcOffset(0, keepLocalTime);
         },

         local: function(keepLocalTime) {
             if (this._isUTC) {
                 this.utcOffset(0, keepLocalTime);
                 this._isUTC = false;

                 if (keepLocalTime) {
                     this.subtract(this._dateUtcOffset(), 'm');
                 }
             }
             return this;
         },

         format: function(inputString) {
             var output = formatMoment(this, inputString || moment.defaultFormat);
             return this.localeData().postformat(output);
         },

         add: createAdder(1, 'add'),

         subtract: createAdder(-1, 'subtract'),

         diff: function(input, units, asFloat) {
             var that = makeAs(input, this),
                 zoneDiff = (that.utcOffset() - this.utcOffset()) * 6e4,
                 anchor, diff, output, daysAdjust;

             units = normalizeUnits(units);

             if (units === 'year' || units === 'month' || units === 'quarter') {
                 output = monthDiff(this, that);
                 if (units === 'quarter') {
                     output = output / 3;
                 } else if (units === 'year') {
                     output = output / 12;
                 }
             } else {
                 diff = this - that;
                 output = units === 'second' ? diff / 1e3 : // 1000
                     units === 'minute' ? diff / 6e4 : // 1000 * 60
                         units === 'hour' ? diff / 36e5 : // 1000 * 60 * 60
                             units === 'day' ? (diff - zoneDiff) / 864e5 : // 1000 * 60 * 60 * 24, negate dst
                                 units === 'week' ? (diff - zoneDiff) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst
                                     diff;
             }
             return asFloat ? output : absRound(output);
         },

         from: function(time, withoutSuffix) {
             return moment.duration({
                 to: this,
                 from: time
             }).locale(this.locale()).humanize(!withoutSuffix);
         },

         fromNow: function(withoutSuffix) {
             return this.from(moment(), withoutSuffix);
         },

         calendar: function(time) {
             // We want to compare the start of today, vs this.
             // Getting start-of-today depends on whether we're locat/utc/offset
             // or not.
             var now = time || moment(),
                 sod = makeAs(now, this).startOf('day'),
                 diff = this.diff(sod, 'days', true),
                 format = diff < -6 ? 'sameElse' :
                     diff < -1 ? 'lastWeek' :
                         diff < 0 ? 'lastDay' :
                             diff < 1 ? 'sameDay' :
                                 diff < 2 ? 'nextDay' :
                                     diff < 7 ? 'nextWeek' : 'sameElse';
             return this.format(this.localeData().calendar(format, this, moment(now)));
         },

         isLeapYear: function() {
             return isLeapYear(this.year());
         },

         isDST: function() {
             return (this.utcOffset() > this.clone().month(0).utcOffset() ||
             this.utcOffset() > this.clone().month(5).utcOffset());
         },

         day: function(input) {
             var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
             if (input != null) {
                 input = parseWeekday(input, this.localeData());
                 return this.add(input - day, 'd');
             } else {
                 return day;
             }
         },

         month: makeAccessor('Month', true),

         startOf: function(units) {
             units = normalizeUnits(units);
             // the following switch intentionally omits break keywords
             // to utilize falling through the cases.
             switch (units) {
                 case 'year':
                     this.month(0);
                 /* falls through */
                 case 'quarter':
                 case 'month':
                     this.date(1);
                 /* falls through */
                 case 'week':
                 case 'isoWeek':
                 case 'day':
                     this.hours(0);
                 /* falls through */
                 case 'hour':
                     this.minutes(0);
                 /* falls through */
                 case 'minute':
                     this.seconds(0);
                 /* falls through */
                 case 'second':
                     this.milliseconds(0);
                 /* falls through */
             }

             // weeks are a special case
             if (units === 'week') {
                 this.weekday(0);
             } else if (units === 'isoWeek') {
                 this.isoWeekday(1);
             }

             // quarters are also special
             if (units === 'quarter') {
                 this.month(Math.floor(this.month() / 3) * 3);
             }

             return this;
         },

         endOf: function(units) {
             units = normalizeUnits(units);
             if (units === undefined || units === 'millisecond') {
                 return this;
             }
             return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');
         },

         isAfter: function(input, units) {
             var inputMs;
             units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond');
             if (units === 'millisecond') {
                 input = moment.isMoment(input) ? input : moment(input);
                 return +this > +input;
             } else {
                 inputMs = moment.isMoment(input) ? +input : +moment(input);
                 return inputMs < +this.clone().startOf(units);
             }
         },

         isBefore: function(input, units) {
             var inputMs;
             units = normalizeUnits(typeof units !== 'undefined' ? units : 'millisecond');
             if (units === 'millisecond') {
                 input = moment.isMoment(input) ? input : moment(input);
                 return +this < +input;
             } else {
                 inputMs = moment.isMoment(input) ? +input : +moment(input);
                 return +this.clone().endOf(units) < inputMs;
             }
         },

         isBetween: function(from, to, units) {
             return this.isAfter(from, units) && this.isBefore(to, units);
         },

         isSame: function(input, units) {
             var inputMs;
             units = normalizeUnits(units || 'millisecond');
             if (units === 'millisecond') {
                 input = moment.isMoment(input) ? input : moment(input);
                 return +this === +input;
             } else {
                 inputMs = +moment(input);
                 return +(this.clone().startOf(units)) <= inputMs && inputMs <= +(this.clone().endOf(units));
             }
         },

         min: deprecate(
             'moment().min is deprecated, use moment.min instead. https://github.com/moment/moment/issues/1548',
             function(other) {
                 other = moment.apply(null, arguments);
                 return other < this ? this : other;
             }
         ),

         max: deprecate(
             'moment().max is deprecated, use moment.max instead. https://github.com/moment/moment/issues/1548',
             function(other) {
                 other = moment.apply(null, arguments);
                 return other > this ? this : other;
             }
         ),

         zone: deprecate(
             'moment().zone is deprecated, use moment().utcOffset instead. ' +
             'https://github.com/moment/moment/issues/1779',
             function(input, keepLocalTime) {
                 if (input != null) {
                     if (typeof input !== 'string') {
                         input = -input;
                     }

                     this.utcOffset(input, keepLocalTime);

                     return this;
                 } else {
                     return -this.utcOffset();
                 }
             }
         ),

         // keepLocalTime = true means only change the timezone, without
         // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
         // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
         // +0200, so we adjust the time as needed, to be valid.
         //
         // Keeping the time actually adds/subtracts (one hour)
         // from the actual represented time. That is why we call updateOffset
         // a second time. In case it wants us to change the offset again
         // _changeInProgress == true case, then we have to adjust, because
         // there is no such time in the given timezone.
         utcOffset: function(input, keepLocalTime) {
             var offset = this._offset || 0,
                 localAdjust;
             if (input != null) {
                 if (typeof input === 'string') {
                     input = utcOffsetFromString(input);
                 }
                 if (Math.abs(input) < 16) {
                     input = input * 60;
                 }
                 if (!this._isUTC && keepLocalTime) {
                     localAdjust = this._dateUtcOffset();
                 }
                 this._offset = input;
                 this._isUTC = true;
                 if (localAdjust != null) {
                     this.add(localAdjust, 'm');
                 }
                 if (offset !== input) {
                     if (!keepLocalTime || this._changeInProgress) {
                         addOrSubtractDurationFromMoment(this,
                             moment.duration(input - offset, 'm'), 1, false);
                     } else if (!this._changeInProgress) {
                         this._changeInProgress = true;
                         moment.updateOffset(this, true);
                         this._changeInProgress = null;
                     }
                 }

                 return this;
             } else {
                 return this._isUTC ? offset : this._dateUtcOffset();
             }
         },

         isLocal: function() {
             return !this._isUTC;
         },

         isUtcOffset: function() {
             return this._isUTC;
         },

         isUtc: function() {
             return this._isUTC && this._offset === 0;
         },

         zoneAbbr: function() {
             return this._isUTC ? 'UTC' : '';
         },

         zoneName: function() {
             return this._isUTC ? 'Coordinated Universal Time' : '';
         },

         parseZone: function() {
             if (this._tzm) {
                 this.utcOffset(this._tzm);
             } else if (typeof this._i === 'string') {
                 this.utcOffset(utcOffsetFromString(this._i));
             }
             return this;
         },

         hasAlignedHourOffset: function(input) {
             if (!input) {
                 input = 0;
             } else {
                 input = moment(input).utcOffset();
             }

             return (this.utcOffset() - input) % 60 === 0;
         },

         daysInMonth: function() {
             return daysInMonth(this.year(), this.month());
         },

         dayOfYear: function(input) {
             var dayOfYear = round((moment(this).startOf('day') - moment(this).startOf('year')) / 864e5) + 1;
             return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');
         },

         quarter: function(input) {
             return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);
         },

         weekYear: function(input) {
             var year = weekOfYear(this, this.localeData()._week.dow, this.localeData()._week.doy).year;
             return input == null ? year : this.add((input - year), 'y');
         },

         isoWeekYear: function(input) {
             var year = weekOfYear(this, 1, 4).year;
             return input == null ? year : this.add((input - year), 'y');
         },

         week: function(input) {
             var week = this.localeData().week(this);
             return input == null ? week : this.add((input - week) * 7, 'd');
         },

         isoWeek: function(input) {
             var week = weekOfYear(this, 1, 4).week;
             return input == null ? week : this.add((input - week) * 7, 'd');
         },

         weekday: function(input) {
             var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
             return input == null ? weekday : this.add(input - weekday, 'd');
         },

         isoWeekday: function(input) {
             // behaves the same as moment#day except
             // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
             // as a setter, sunday should belong to the previous week.
             return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7);
         },

         isoWeeksInYear: function() {
             return weeksInYear(this.year(), 1, 4);
         },

         weeksInYear: function() {
             var weekInfo = this.localeData()._week;
             return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
         },

         get: function(units) {
             units = normalizeUnits(units);
             return this[units]();
         },

         set: function(units, value) {
             var unit;
             if (typeof units === 'object') {
                 for (unit in units) {
                     this.set(unit, units[unit]);
                 }
             } else {
                 units = normalizeUnits(units);
                 if (typeof this[units] === 'function') {
                     this[units](value);
                 }
             }
             return this;
         },

         // If passed a locale key, it will set the locale for this
         // instance.  Otherwise, it will return the locale configuration
         // variables for this instance.
         locale: function(key) {
             var newLocaleData;

             if (key === undefined) {
                 return this._locale._abbr;
             } else {
                 newLocaleData = moment.localeData(key);
                 if (newLocaleData != null) {
                     this._locale = newLocaleData;
                 }
                 return this;
             }
         },

         lang: deprecate(
             'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',
             function(key) {
                 if (key === undefined) {
                     return this.localeData();
                 } else {
                     return this.locale(key);
                 }
             }
         ),

         localeData: function() {
             return this._locale;
         },

         _dateUtcOffset: function() {
             // On Firefox.24 Date#getTimezoneOffset returns a floating point.
             // https://github.com/moment/moment/pull/1871
             return -Math.round(this._d.getTimezoneOffset() / 15) * 15;
         }

     });

     function rawMonthSetter(mom, value) {
         var dayOfMonth;

         // TODO: Move this out of here!
         if (typeof value === 'string') {
             value = mom.localeData().monthsParse(value);
             // TODO: Another silent failure?
             if (typeof value !== 'number') {
                 return mom;
             }
         }

         dayOfMonth = Math.min(mom.date(),
             daysInMonth(mom.year(), value));
         mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
         return mom;
     }

     function rawGetter(mom, unit) {
         return mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]();
     }

     function rawSetter(mom, unit, value) {
         if (unit === 'Month') {
             return rawMonthSetter(mom, value);
         } else {
             return mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
         }
     }

     function makeAccessor(unit, keepTime) {
         return function(value) {
             if (value != null) {
                 rawSetter(this, unit, value);
                 moment.updateOffset(this, keepTime);
                 return this;
             } else {
                 return rawGetter(this, unit);
             }
         };
     }

     moment.fn.millisecond = moment.fn.milliseconds = makeAccessor('Milliseconds', false);
     moment.fn.second = moment.fn.seconds = makeAccessor('Seconds', false);
     moment.fn.minute = moment.fn.minutes = makeAccessor('Minutes', false);
     // Setting the hour should keep the time, because the user explicitly
     // specified which hour he wants. So trying to maintain the same hour (in
     // a new timezone) makes sense. Adding/subtracting hours does not follow
     // this rule.
     moment.fn.hour = moment.fn.hours = makeAccessor('Hours', true);
     // moment.fn.month is defined separately
     moment.fn.date = makeAccessor('Date', true);
     moment.fn.dates = deprecate('dates accessor is deprecated. Use date instead.', makeAccessor('Date', true));
     moment.fn.year = makeAccessor('FullYear', true);
     moment.fn.years = deprecate('years accessor is deprecated. Use year instead.', makeAccessor('FullYear', true));

     // add plural methods
     moment.fn.days = moment.fn.day;
     moment.fn.months = moment.fn.month;
     moment.fn.weeks = moment.fn.week;
     moment.fn.isoWeeks = moment.fn.isoWeek;
     moment.fn.quarters = moment.fn.quarter;

     // add aliased format methods
     moment.fn.toJSON = moment.fn.toISOString;

     // alias isUtc for dev-friendliness
     moment.fn.isUTC = moment.fn.isUtc;

     /************************************
      Duration Prototype
      ************************************/


     function daysToYears(days) {
         // 400 years have 146097 days (taking into account leap year rules)
         return days * 400 / 146097;
     }

     function yearsToDays(years) {
         // years * 365 + absRound(years / 4) -
         //     absRound(years / 100) + absRound(years / 400);
         return years * 146097 / 400;
     }

     extend(moment.duration.fn = Duration.prototype, {

         _bubble: function() {
             var milliseconds = this._milliseconds,
                 days = this._days,
                 months = this._months,
                 data = this._data,
                 seconds, minutes, hours, years = 0;

             // The following code bubbles up values, see the tests for
             // examples of what that means.
             data.milliseconds = milliseconds % 1000;

             seconds = absRound(milliseconds / 1000);
             data.seconds = seconds % 60;

             minutes = absRound(seconds / 60);
             data.minutes = minutes % 60;

             hours = absRound(minutes / 60);
             data.hours = hours % 24;

             days += absRound(hours / 24);

             // Accurately convert days to years, assume start from year 0.
             years = absRound(daysToYears(days));
             days -= absRound(yearsToDays(years));

             // 30 days to a month
             // TODO (iskren): Use anchor date (like 1st Jan) to compute this.
             months += absRound(days / 30);
             days %= 30;

             // 12 months -> 1 year
             years += absRound(months / 12);
             months %= 12;

             data.days = days;
             data.months = months;
             data.years = years;
         },

         abs: function() {
             this._milliseconds = Math.abs(this._milliseconds);
             this._days = Math.abs(this._days);
             this._months = Math.abs(this._months);

             this._data.milliseconds = Math.abs(this._data.milliseconds);
             this._data.seconds = Math.abs(this._data.seconds);
             this._data.minutes = Math.abs(this._data.minutes);
             this._data.hours = Math.abs(this._data.hours);
             this._data.months = Math.abs(this._data.months);
             this._data.years = Math.abs(this._data.years);

             return this;
         },

         weeks: function() {
             return absRound(this.days() / 7);
         },

         valueOf: function() {
             return this._milliseconds +
                 this._days * 864e5 +
                 (this._months % 12) * 2592e6 +
                 toInt(this._months / 12) * 31536e6;
         },

         humanize: function(withSuffix) {
             var output = relativeTime(this, !withSuffix, this.localeData());

             if (withSuffix) {
                 output = this.localeData().pastFuture(+this, output);
             }

             return this.localeData().postformat(output);
         },

         add: function(input, val) {
             // supports only 2.0-style add(1, 's') or add(moment)
             var dur = moment.duration(input, val);

             this._milliseconds += dur._milliseconds;
             this._days += dur._days;
             this._months += dur._months;

             this._bubble();

             return this;
         },

         subtract: function(input, val) {
             var dur = moment.duration(input, val);

             this._milliseconds -= dur._milliseconds;
             this._days -= dur._days;
             this._months -= dur._months;

             this._bubble();

             return this;
         },

         get: function(units) {
             units = normalizeUnits(units);
             return this[units.toLowerCase() + 's']();
         },

         as: function(units) {
             var days, months;
             units = normalizeUnits(units);

             if (units === 'month' || units === 'year') {
                 days = this._days + this._milliseconds / 864e5;
                 months = this._months + daysToYears(days) * 12;
                 return units === 'month' ? months : months / 12;
             } else {
                 // handle milliseconds separately because of floating point math errors (issue #1867)
                 days = this._days + Math.round(yearsToDays(this._months / 12));
                 switch (units) {
                     case 'week':
                         return days / 7 + this._milliseconds / 6048e5;
                     case 'day':
                         return days + this._milliseconds / 864e5;
                     case 'hour':
                         return days * 24 + this._milliseconds / 36e5;
                     case 'minute':
                         return days * 24 * 60 + this._milliseconds / 6e4;
                     case 'second':
                         return days * 24 * 60 * 60 + this._milliseconds / 1000;
                     // Math.floor prevents floating point math errors here
                     case 'millisecond':
                         return Math.floor(days * 24 * 60 * 60 * 1000) + this._milliseconds;
                     default:
                         throw new Error('Unknown unit ' + units);
                 }
             }
         },

         lang: moment.fn.lang,
         locale: moment.fn.locale,

         toIsoString: deprecate(
             'toIsoString() is deprecated. Please use toISOString() instead ' +
             '(notice the capitals)',
             function() {
                 return this.toISOString();
             }
         ),

         toISOString: function() {
             // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
             var years = Math.abs(this.years()),
                 months = Math.abs(this.months()),
                 days = Math.abs(this.days()),
                 hours = Math.abs(this.hours()),
                 minutes = Math.abs(this.minutes()),
                 seconds = Math.abs(this.seconds() + this.milliseconds() / 1000);

             if (!this.asSeconds()) {
                 // this is the same as C#'s (Noda) and python (isodate)...
                 // but not other JS (goog.date)
                 return 'P0D';
             }

             return (this.asSeconds() < 0 ? '-' : '') +
                 'P' +
                 (years ? years + 'Y' : '') +
                 (months ? months + 'M' : '') +
                 (days ? days + 'D' : '') +
                 ((hours || minutes || seconds) ? 'T' : '') +
                 (hours ? hours + 'H' : '') +
                 (minutes ? minutes + 'M' : '') +
                 (seconds ? seconds + 'S' : '');
         },

         localeData: function() {
             return this._locale;
         },

         toJSON: function() {
             return this.toISOString();
         }
     });

     moment.duration.fn.toString = moment.duration.fn.toISOString;

     function makeDurationGetter(name) {
         moment.duration.fn[name] = function() {
             return this._data[name];
         };
     }

     for (i in unitMillisecondFactors) {
         if (hasOwnProp(unitMillisecondFactors, i)) {
             makeDurationGetter(i.toLowerCase());
         }
     }

     moment.duration.fn.asMilliseconds = function() {
         return this.as('ms');
     };
     moment.duration.fn.asSeconds = function() {
         return this.as('s');
     };
     moment.duration.fn.asMinutes = function() {
         return this.as('m');
     };
     moment.duration.fn.asHours = function() {
         return this.as('h');
     };
     moment.duration.fn.asDays = function() {
         return this.as('d');
     };
     moment.duration.fn.asWeeks = function() {
         return this.as('weeks');
     };
     moment.duration.fn.asMonths = function() {
         return this.as('M');
     };
     moment.duration.fn.asYears = function() {
         return this.as('y');
     };

     /************************************
      Default Locale
      ************************************/


         // Set default locale, other locale will inherit from English.
     moment.locale('en', {
         ordinalParse: /\d{1,2}(th|st|nd|rd)/,
         ordinal: function(number) {
             var b = number % 10,
                 output = (toInt(number % 100 / 10) === 1) ? 'th' :
                     (b === 1) ? 'st' :
                         (b === 2) ? 'nd' :
                             (b === 3) ? 'rd' : 'th';
             return number + output;
         }
     });

     /* EMBED_LOCALES */

     /************************************
      Exposing Moment
      ************************************/

     function makeGlobal(shouldDeprecate) {
         /*global ender:false */
         if (typeof ender !== 'undefined') {
             return;
         }
         oldGlobalMoment = globalScope.moment;
         if (shouldDeprecate) {
             globalScope.moment = deprecate(
                 'Accessing Moment through the global scope is ' +
                 'deprecated, and will be removed in an upcoming ' +
                 'release.',
                 moment);
         } else {
             globalScope.moment = moment;
         }
     }

     //// CommonJS module is defined
     //if (hasModule) {
     //    define(function (require, exports, module) {
     //        module.exports = moment;
     //    });
     //} else if (typeof define === 'function' && define.amd) {
     //    define(function(require, exports, module) {
     //        if (module.config && module.config() && module.config().noGlobal === true) {
     //            // release the global variable
     //            globalScope.moment = oldGlobalMoment;
     //        }
	 //
     //        return moment;
     //    });
     //    makeGlobal(true);
     //} else {
     //    makeGlobal();
     //}

     define(function (require, exports, module) {
         module.exports = moment;
     });

 }).call(this);